CN221393650U - Baby handcart with simplified brake mechanism - Google Patents
Baby handcart with simplified brake mechanism Download PDFInfo
- Publication number
- CN221393650U CN221393650U CN202420277655.2U CN202420277655U CN221393650U CN 221393650 U CN221393650 U CN 221393650U CN 202420277655 U CN202420277655 U CN 202420277655U CN 221393650 U CN221393650 U CN 221393650U
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- fork
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- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The utility model discloses a baby handcart with a simplified braking mechanism. The frame is provided with a wheel seat, the wheel assembly comprises a connecting seat, a wheel fork and a wheel, the wheel is provided with brake teeth, the brake mechanism comprises a brake operating piece, a brake driving piece, a brake operating piece, a first elastic piece and a brake bayonet lock, the brake driving piece is movably connected to the wheel seat and can move up and down, the brake operating piece is used for driving the brake driving piece to move upwards or allowing the brake driving piece to reset downwards, the brake operating piece is of a strip-shaped structure and is movably connected to the wheel fork along the length direction, the upper end of the brake operating piece is provided with a linkage part matched with the brake driving piece, the brake bayonet lock is arranged at the lower end of the brake operating piece, the brake operating piece can be linked to move upwards when the brake driving piece moves upwards, and the first elastic piece is used for driving the brake operating piece to reset downwards. The baby handcart simplifies the structure of the braking mechanism.
Description
Technical Field
The utility model relates to an infant Tong Yongju, in particular to an infant handcart with a simplified braking mechanism.
Background
The utility model provides a baby's handcart, it includes frame, wheel subassembly and brake mechanism, and the frame is provided with the wheel seat, and the wheel subassembly includes connecting seat, fork and wheel, and the fork is connected in the connecting seat, and the connecting seat is connected in the wheel seat, and the wheel rotates to set up in the fork, and the wheel is provided with a plurality of brake teeth, and brake mechanism includes brake operating piece, brake driving piece, rocking arm, sliding sleeve, elastic component and brake bayonet lock, brake driving piece activity sets up in the wheel seat, and brake operating piece sets up in the frame and is used for driving brake driving piece action, and the rocking arm rotates to set up in the connecting seat, and the sliding sleeve slides the yoke that sets up in the fork, and the brake bayonet lock sets up in the sliding sleeve, and the elastic component is used for driving the sliding sleeve to reset. When the brake driving piece acts, the linkage rotating arm swings first, and then the rotating arm slides in linkage with the sliding sleeve, so that the brake lock pin is driven to act and clamped between the brake teeth, and braking is completed. The baby handcart has the advantages that the linkage between the brake driving piece and the brake bayonet is realized through the rotating arm and the sliding sleeve, the number of components is large, and the structure is complex; the rotating arm rotates, the sliding sleeve slides linearly, a linkage structure is required to be arranged between the rotating arm and the sliding sleeve, and the action mechanism is complex.
Disclosure of utility model
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the baby trolley with the simplified braking mechanism, and compared with the baby trolley in the background art, the baby trolley with the simplified braking mechanism has the advantage that the braking mechanism is simpler.
A stroller according to an embodiment of the present utility model that simplifies a braking mechanism includes: the frame is provided with a wheel seat; the wheel assembly comprises a connecting seat, a wheel fork and a wheel, wherein the wheel fork is connected with the connecting seat, the connecting seat is connected with the wheel seat, the wheel is rotationally arranged on the wheel fork, and the wheel is provided with a plurality of brake teeth distributed along the circumferential direction of the wheel; the brake mechanism comprises a brake operating piece, a brake driving piece, a brake operating piece, a first elastic piece and a brake bayonet lock, wherein the brake driving piece is movably connected with the wheel seat and can move up and down, the brake operating piece is arranged on the frame, the brake operating piece is used for driving the brake driving piece to move upwards or allowing the brake driving piece to reset downwards, the brake operating piece is of a strip-shaped structure, the brake operating piece is movably connected with the wheel fork along the length direction, the upper end of the brake operating piece is provided with a linkage part matched with the brake driving piece, and the brake bayonet lock is arranged at the lower end of the brake operating piece; the brake driving piece can be linked when acting upwards the brake driving piece moves upwards, so that the brake bayonet lock can be inserted between the brake teeth, the first elastic piece set up in between the brake driving piece and the fork, the first elastic piece is used for driving the brake driving piece to reset downwards, so that the brake bayonet lock can be withdrawn from between the brake teeth.
The baby stroller with the simplified braking mechanism has at least the following beneficial effects: when the brake is carried out, the brake operating piece drives the brake driving piece to move upwards, and the brake driving piece is linked with the brake operating piece to move upwards, so that the brake bayonet lock can be inserted between the brake teeth, and the brake is realized. When the brake is released, the brake operating piece releases the drive of the brake driving piece, so that the brake driving piece is allowed to reset downwards without affecting the reset of the brake operating piece, and after the first elastic piece drives the brake operating piece to reset downwards, the brake bayonet lock is withdrawn from between the brake teeth, so that the brake is released. The structure is characterized in that the linkage between the brake bayonet lock and the brake driving piece is realized through the brake action piece, compared with the mode that the brake driving piece needs to be linked with the brake bayonet lock through two components of the rotating arm and the sliding sleeve in the prior art, the number of action components can be reduced, and therefore a brake mechanism is simplified, production and manufacturing are convenient, and the reliability of the mechanism is improved.
According to some embodiments of the utility model, the linkage part is a hook body, and the brake driving member is provided with a hook part for hooking and matching with the hook body.
According to some embodiments of the utility model, a second elastic member is disposed between the brake driving member and the wheel seat, and the second elastic member is used for driving the brake driving member to return downwards.
According to some embodiments of the utility model, the second elastic member is a spring.
According to some embodiments of the utility model, the brake actuating member comprises an outer side portion, an inner side portion and a connecting portion, the inner side portion is connected to the lower end of the outer side portion through the connecting portion, the brake bayonet is arranged on the inner side portion, the linkage portion is arranged on the outer side portion, the wheel fork is provided with a fork arm, the wheel is rotationally connected to the fork arm, the fork arm is provided with an outer side slideway adapted to the outer side portion and an inner side slideway adapted to the inner side portion, the inner side slideway is arranged on the side surface of the fork arm, which is close to the wheel, the outer side portion is slidably arranged on the outer side slideway, the inner side portion is slidably arranged on the inner side slideway, the outer side portion and the inner side portion clamp the fork arm, the fork arm is provided with a yielding strip hole for communicating the outer side slideway and the inner side slideway, the connecting portion is arranged in the yielding strip hole in a penetrating manner, and the connecting portion can move in the yielding strip hole when the brake actuating member moves.
According to some embodiments of the utility model, the inner portion and the brake bayonet are of an integrally formed construction.
According to some embodiments of the utility model, the first elastic member is disposed in the yielding hole, and upper and lower ends of the first elastic member are respectively abutted to the yoke and the connecting portion.
According to some embodiments of the utility model, the first elastic member is a spring.
According to some embodiments of the utility model, the outer side part and the inner side part are of a split manufacturing structure, a mounting hole for the connecting part to pass through is formed in the lower end of the outer side part, a connecting hole is formed in the inner side part, and the connecting part passes through the mounting hole and is connected to the connecting hole.
According to some embodiments of the utility model, the brake operating member is a pedal, the pedal is disposed on the frame, the pedal and the brake driving member are connected by a pull rope, the pedal is used for tightening or loosening the pull rope, and the pull rope is connected with the upper portion of the brake driving member.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic perspective view of an embodiment of the present utility model;
FIG. 2 is an enlarged view of a portion of the structure shown in FIG. 1;
FIG. 3 is an exploded view of the structure of FIG. 2;
FIG. 4 is a schematic perspective view of a brake actuator according to an embodiment of the present utility model;
FIG. 5 is a perspective view of a brake actuator according to an embodiment of the present utility model;
FIG. 6 is a schematic perspective view of a fork according to an embodiment of the present utility model;
FIG. 7 is a second perspective view of a fork according to an embodiment of the present utility model;
FIG. 8 is a cross-sectional view taken along the A-A direction of the structure shown in FIG. 2;
fig. 9 is an exploded view of a brake actuating member in accordance with an embodiment of the present utility model.
Reference numerals:
A frame 100, a wheel seat 110;
Wheel assembly 200, connection base 210, wheel fork 220, wheel 230, brake tooth 231, fork arm 221, outside slide 2211, inside slide 2212, yielding bar hole 2213;
The brake mechanism 300, the brake operating member 310, the brake driving member 320, the brake operating member 330, the first elastic member 340, the brake locking pin 350, the linkage portion 331, the locking portion 321, the outer portion 332, the inner portion 333, the connecting portion 334, the mounting hole 3321, and the connecting hole 3331.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1 to 9, a stroller with a simplified braking mechanism, comprising: frame 100, wheel assembly 200, and brake mechanism 300. The frame 100 is provided with a wheel seat 110, the wheel assembly 200 comprises a connecting seat 210, a wheel fork 220 and wheels 230, the wheel fork 220 is connected with the connecting seat 210, the connecting seat 210 is connected with the wheel seat 110, the wheels 230 are rotatably arranged on the wheel fork 220, and the wheels 230 are provided with a plurality of brake teeth 231 which are distributed along the circumference of the wheels 230. The brake mechanism 300 comprises a brake operating member 310, a brake driving member 320, a brake operating member 330, a first elastic member 340 and a brake bayonet 350, wherein the brake driving member 320 is movably connected to the wheel seat 110 and can move up and down, the brake operating member 310 is arranged on the frame 100, the brake operating member 310 is used for driving the brake driving member 320 to move upwards or allowing the brake driving member 320 to reset downwards, the brake operating member 330 is in a strip structure, the brake operating member 330 is movably connected to the fork 220 along the length direction, the upper end of the brake operating member 330 is provided with a linkage part 331 for being matched with the brake driving member 320, and the brake bayonet 350 is arranged at the lower end of the brake operating member 330; when the brake driving member 320 moves upward, the brake actuating member 330 can be linked to move upward, so that the brake locking pin 350 can be inserted between the brake teeth 231, the first elastic member 340 is disposed between the brake actuating member 330 and the fork 220, and the first elastic member 340 is used for driving the brake actuating member 330 to return downward, so that the brake locking pin 350 can be withdrawn from between the brake teeth 231.
When braking, the brake operating member 310 drives the brake driving member 320 to move upwards, and the brake driving member 320 is linked with the brake operating member 330 to move upwards, so that the brake locking pin 350 can be inserted between the brake teeth 231, thereby realizing braking. When the brake is released, the brake operating member 310 releases the drive to the brake driving member 320 to allow the brake driving member 320 to be downwardly reset without affecting the reset of the brake operating member 330, and after the first elastic member 340 drives the brake operating member 330 to downwardly reset, the brake locking pin 350 is withdrawn from between the brake teeth 231, thereby releasing the brake. The above-mentioned structure, the linkage between the brake bayonet 350 and the brake actuator 320 is achieved by the brake actuating member 330, and compared with the prior art in which the brake actuator 320 needs to be linked with the brake bayonet 350 by two members, namely, a rotating arm and a sliding sleeve, the number of actuating members can be reduced, thereby simplifying the brake mechanism 300, facilitating the production and manufacturing, and improving the reliability of the mechanism.
In the embodiment, the linkage portion 331 is a hook body, and the brake driving member 320 is provided with a hook portion 321 for hooking and matching with the hook body. When the brake actuator 320 moves upward, the interlocking portion 331 can be lifted by the hook portion 321, thereby pulling the brake actuator 320 to move upward. It is conceivable that the linkage portion 331 is not limited to a hook body, and those skilled in the art can reasonably configure the shape and structure of the linkage portion 331 according to actual situations, and the brake driving member 320 is adapted to be disposed corresponding to the structure of the linkage portion 331.
In an embodiment, a second elastic member (not shown in the drawings) is disposed between the brake driving member 320 and the wheel seat 110, and the second elastic member is used to drive the brake driving member 320 to return downward. The brake actuating member 320 may be reset by the second elastic member when the brake operating member 310 allows the brake actuating member 320 to be reset downward.
In an embodiment, the second elastic member is a spring. It is conceivable that the second elastic element is not limited to the use of springs, but may also be other elastic structures, such as elastic sheets, elastic bodies, etc.
In an embodiment, the brake actuating member 330 includes an outer portion 332, an inner portion 333 and a connecting portion 334, the inner portion 333 is connected to the lower end of the outer portion 332 through the connecting portion 334, the brake pin 350 is disposed on the inner portion 333, the linkage portion 331 is disposed on the outer portion 332, the fork 220 is provided with a fork arm 221, the wheel 230 is rotatably connected to the fork arm 221, the fork arm 221 is provided with an outer side slide 2211 adapted to the outer portion 332 and an inner side slide 2212 adapted to the inner portion 333, the inner side slide 2212 is opened on a side surface of the fork arm 221 near the wheel 230, the outer side portion 332 is slidably disposed on the outer side slide 2211, the inner portion 333 is slidably disposed on the inner side slide 2212, the outer side portion 332 and the inner portion 333 clamp the fork arm 221, the fork arm 221 is provided with a yielding strip hole 2213 communicating the outer side slide 2211 and the inner side slide 2212, the connecting portion 334 is arranged through the yielding strip hole 2213, and when the brake actuating member 330 moves, the connecting portion 334 can move in the yielding strip hole 2213. With the above structure, the brake operating member 330 is stable in operation and stable in movable connection.
In an embodiment, the inner part 333 and the brake bayonet 350 are integrally formed, thereby facilitating manufacturing.
In the embodiment, the first elastic member 340 is disposed in the yielding hole 2213, and the upper and lower ends of the first elastic member 340 are respectively abutted against the fork arm 221 and the connecting portion 334. With the above structure, the first elastic member 340 is installed in the yielding hole 2213, so that the installation position of the first elastic member 340 is stable, and the first elastic member 340 in the yielding hole 2213 can directly abut against the connection portion 334, thereby providing a restoring elastic force for the brake actuating member 330. By directly utilizing the connection portion 334 to mate with the first elastic member 340, there is no need to additionally provide a structure of the brake actuating member 330 to mate with the first elastic member 340, and the structure of the brake actuating member 330 can be simplified.
In an embodiment, the first elastic member 340 is a spring. It is envisioned that the first resilient member 340 is not limited to springs, such as other resilient structures, such as spring plates, resilient bodies, and the like.
In the embodiment, the outer side portion 332 and the inner side portion 333 are of separate structures, the lower end of the outer side portion 332 is provided with a mounting hole 3321 through which the connection portion 334 passes, the inner side portion 333 is provided with a connection hole 3331, and the connection portion 334 passes through the mounting hole 3321 and is connected to the connection hole 3331. With the above-described structure, during installation, the outer side portion 332 and the inner side portion 333 may be first installed to the outer side slide 2211 and the inner side slide 2212, respectively, and then the outer side portion 332 and the inner side portion 333 may be connected by the connection portion 334, thereby achieving the installation of the brake actuating member 330.
In an embodiment, the connection portion 334 may specifically be a screw, which is screwed to the connection hole 3331 after passing through the mounting hole 3321; of course, it is contemplated that the connection portion 334 may be configured as a pin or rivet, or the like.
In an embodiment, the brake operating member 310 is a pedal, the pedal is disposed on the frame 100, the pedal is connected to the brake driving member 320 through a pull rope, the pedal is used for tightening or loosening the pull rope, and the pull rope is connected to an upper portion of the brake driving member 320. The brake actuator 320 may be pulled upward when the pull cord is tightened, and the brake actuator 320 allowed to return downward when the pull cord is loosened. Of course, it is envisioned that the brake operating member 310 is not limited to use with pedals, such as a hand brake configuration.
In an embodiment, the wheel seat 110 is provided with a sliding connection hole, the brake driving member 320 is slidably disposed in the sliding connection hole, and the depth direction of the sliding connection hole is vertically disposed, so that the brake driving member 320 can move up and down. In an embodiment, the second elastic member may be disposed in the sliding connection hole, and two ends of the second elastic member are respectively abutted between the bottom of the sliding connection hole and the brake driving member 320, so as to reset the brake driving member 320.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (10)
1. A stroller for simplifying a braking mechanism, comprising:
A frame (100) provided with a wheel seat (110);
The wheel assembly (200) comprises a connecting seat (210), a wheel fork (220) and a wheel (230), wherein the wheel fork (220) is connected with the connecting seat (210), the connecting seat (210) is connected with the wheel seat (110), the wheel (230) is rotationally arranged on the wheel fork (220), and the wheel (230) is provided with a plurality of brake teeth (231) which are distributed along the circumferential direction of the wheel (230);
the brake mechanism (300) comprises a brake operating member (310), a brake driving member (320), a brake operating member (330), a first elastic member (340) and a brake bayonet (350), wherein the brake driving member (320) is movably connected to the wheel seat (110) and can move up and down, the brake operating member (310) is arranged on the frame (100), the brake operating member (310) is used for driving the brake driving member (320) to move upwards or allowing the brake driving member (320) to reset downwards, the brake operating member (330) is of a strip structure, the brake operating member (330) is movably connected to the wheel fork (220) along the length direction, the upper end of the brake operating member (330) is provided with a linkage part (331) which is used for being matched with the brake driving member (320), and the brake bayonet (350) is arranged at the lower end of the brake operating member (330). The brake driving piece (320) can be linked when acting upwards the brake driving piece (330) upwards moves, so that the brake bayonet lock (350) can be inserted between the brake teeth (231), the first elastic piece (340) is arranged between the brake driving piece (330) and the fork (220), and the first elastic piece (340) is used for driving the brake driving piece (330) to reset downwards, so that the brake bayonet lock (350) can be withdrawn from between the brake teeth (231).
2. The simplified brake mechanism stroller of claim 1, wherein: the linkage part (331) is a hook body, and the brake driving piece (320) is provided with a hook part (321) for hooking and matching with the hook body.
3. The simplified brake mechanism stroller of claim 1, wherein: a second elastic piece is arranged between the brake driving piece (320) and the wheel seat (110), and the second elastic piece is used for driving the brake driving piece (320) to reset downwards.
4. A stroller with simplified braking mechanism according to claim 3, wherein: the second elastic piece is a spring.
5. The simplified brake mechanism stroller of claim 1, wherein: the brake actuating member (330) comprises an outer side portion (332), an inner side portion (333) and a connecting portion (334), the inner side portion (333) is connected to the lower end of the outer side portion (332) through the connecting portion (334), the brake bayonet lock (350) is arranged on the inner side portion (333), the linkage portion (331) is arranged on the outer side portion (332), the fork (220) is provided with a fork arm (221), the wheel (230) is rotationally connected to the fork arm (221), the fork arm (221) is provided with an outer side slide (2211) matched with the outer side portion (332) and an inner side slide (2212) matched with the inner side portion (333), the inner side slide (2212) is arranged on the side surface of the fork arm (221) close to the wheel (230), the inner side portion (333) is arranged on the inner side slide (2212) in a sliding mode, the inner side portion (332) and the fork arm (221) are in a sliding mode, the inner side slide (2213) is provided with a clamping strip (2213) and the clamping strip (221) is arranged on the inner side slide hole (2213), the connection (334) is movable in the relief strip hole (2213).
6. The simplified brake mechanism stroller of claim 5, wherein: the inner side (333) and the brake detent (350) are integrally formed.
7. The simplified brake mechanism stroller of claim 5, wherein: the first elastic piece (340) is arranged in the yielding strip hole (2213), and the upper end and the lower end of the first elastic piece (340) are respectively abutted to the fork arm (221) and the connecting portion (334).
8. The simplified brake mechanism stroller of claim 7, wherein: the first elastic member (340) is a spring.
9. The simplified brake mechanism stroller of claim 5, wherein: the outer side part (332) and the inner side part (333) are of separate manufacturing structures, a mounting hole (3321) for the connecting part (334) to pass through is formed in the lower end of the outer side part (332), a connecting hole (3331) is formed in the inner side part (333), and the connecting part (334) passes through the mounting hole (3321) and is connected to the connecting hole (3331).
10. The simplified brake mechanism stroller of claim 1, wherein: the brake operating member (310) is a pedal, the pedal is arranged on the frame (100), the pedal is connected with the brake driving member (320) through a pull rope, the pedal is used for tightening or loosening the pull rope, and the pull rope is connected with the upper portion of the brake driving member (320).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420277655.2U CN221393650U (en) | 2024-02-04 | 2024-02-04 | Baby handcart with simplified brake mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420277655.2U CN221393650U (en) | 2024-02-04 | 2024-02-04 | Baby handcart with simplified brake mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221393650U true CN221393650U (en) | 2024-07-23 |
Family
ID=91913985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420277655.2U Active CN221393650U (en) | 2024-02-04 | 2024-02-04 | Baby handcart with simplified brake mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221393650U (en) |
-
2024
- 2024-02-04 CN CN202420277655.2U patent/CN221393650U/en active Active
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